@langchain/google-vertexai-web
v0.1.0
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LangChain.js support for Google Vertex AI Web
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LangChain google-vertexai-web
This package contains resources to access Google AI/ML models and other Google services via Vertex AI. Authorization to these services use either an API Key or service account credentials that are included in an environment variable.
If you are running this on the Google Cloud Platform, or in a way where service account credentials can be stored on a file system, consider using the @langchain/google-vertexai package instead. You do not need to use both packages. See the section on Authorization below.
Installation
$ yarn add @langchain/google-vertexai-web
Authorization
Authorization is done through a Google Cloud Service Account.
To handle service accounts, this package uses the google-auth-library
package, and you may wish to consult the documentation for that library
about how it does so. But in short, classes in this package will use
credentials from the first of the following that apply:
- An API Key that is passed to the constructor using the
apiKey
attribute - Credentials that are passed to the constructor using the
authInfo
attribute - An API Key that is set in the environment variable
API_KEY
- The Service Account credentials that are saved directly into the
GOOGLE_WEB_CREDENTIALS
- The Service Account credentials that are saved directly into the
GOOGLE_VERTEX_AI_WEB_CREDENTIALS
(deprecated)